Handle stems 3ttt and Ambrosio
Stem 3ttt Gran Prix Special Late 1960's - ? Italy 350 grams
Stem Ambrosio Champion 1950's - 1960's Italy.
Best stems during the 1950s and first half 1960s.
Stem 3ttt Mod. 1 Record Strada (first version) 1970's Italy
Stem 3ttt Mod. 1 Record Strada (2nd version) 3ttt Mid 1970's - Mid 1980's Italy
Italy, Ambrosio Champion, 3ttt Gran Prix Special